#include<bits/stdc++.h>
using namespace std;
int r[100005];
int main()
{
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    int n;
    cin>>n;
    int mr=0;
    for(int i=0;i<n;i++)
    {
        int t;
        cin>>t;
        r[t]++;
        mr=max(mr,t);
    }
    int s=0;
    for(int i=0;i<=mr;i++)
    {
        s=max(s,r[i]);
    }
    cout<<s;
    //cout<<endl<<endl;
    /*
    for(int i=0;i<=mr;i++)
    {
        if(r[i]==0)
        {
            continue;
        }
        cout<<i<<" "<<r[i]<<endl;
    }
    */
}
